class_docstr: Class to integrate the Comparison class with unittest.TestCase.
code: def __init__(self, *args, **kwargs):
      TestCase.__init__(self, *args, **kwargs)
      registry = Comparison.register()
      for k, v in registry.items():
          self.addTypeEqualityFunc(k, v)
  
file_path: geoviews/geoviews/element/comparison.py
imports: from unittest import TestCase
  from holoviews.element.comparison import Comparison
  from .geo import Image, Points, LineContours, FilledContours, WindBarbs
label_desc: Use image node_id 1 to create a new ComparisonTestCase object from inherited base classes: Comparison, TestCase with example: obj = ComparisonTestCase()